diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0005-plat-n1sdp-register-DRAM1-to-optee-os.patch b/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0005-plat-n1sdp-register-DRAM1-to-optee-os.patch
new file mode 100644
index 0000000..d9e20f8
--- /dev/null
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0005-plat-n1sdp-register-DRAM1-to-optee-os.patch
@@ -0,0 +1,52 @@
+Upstream-Status: Pending [Not submitted to upstream yet]
+Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
+
+From 2eb1da30564428551ca687d456d848129105abac Mon Sep 17 00:00:00 2001
+From: Vishnu Banavath <vishnu.banavath@arm.com>
+Date: Tue, 25 Oct 2022 19:08:49 +0100
+Subject: [PATCH] plat-n1sdp: register DRAM1 to optee-os
+
+N1SDP supports two DRAM's. This change is to add 2nd DRAM
+starting at 0x8080000000 address.
+
+Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
+
+diff --git a/core/arch/arm/plat-n1sdp/conf.mk b/core/arch/arm/plat-n1sdp/conf.mk
+index 06b4975a..5374e406 100644
+--- a/core/arch/arm/plat-n1sdp/conf.mk
++++ b/core/arch/arm/plat-n1sdp/conf.mk
+@@ -38,4 +38,4 @@ CFG_SHMEM_START  ?= 0x83000000
+ CFG_SHMEM_SIZE   ?= 0x00210000
+ # DRAM1 is defined above 4G
+ $(call force,CFG_CORE_LARGE_PHYS_ADDR,y)
+-$(call force,CFG_CORE_ARM64_PA_BITS,36)
++$(call force,CFG_CORE_ARM64_PA_BITS,42)
+diff --git a/core/arch/arm/plat-n1sdp/main.c b/core/arch/arm/plat-n1sdp/main.c
+index cfb7f19b..bb951ce6 100644
+--- a/core/arch/arm/plat-n1sdp/main.c
++++ b/core/arch/arm/plat-n1sdp/main.c
+@@ -33,6 +33,7 @@ static struct pl011_data console_data __nex_bss;
+ register_phys_mem_pgdir(MEM_AREA_IO_SEC, CONSOLE_UART_BASE, PL011_REG_SIZE);
+ 
+ register_ddr(DRAM0_BASE, DRAM0_SIZE);
++register_ddr(DRAM1_BASE, DRAM1_SIZE);
+ 
+ register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GIC_DIST_REG_SIZE);
+ register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GIC_DIST_REG_SIZE);
+diff --git a/core/arch/arm/plat-n1sdp/platform_config.h b/core/arch/arm/plat-n1sdp/platform_config.h
+index 81b99409..bf0a3c83 100644
+--- a/core/arch/arm/plat-n1sdp/platform_config.h
++++ b/core/arch/arm/plat-n1sdp/platform_config.h
+@@ -35,6 +35,9 @@
+ #define DRAM0_BASE		0x80000000
+ #define DRAM0_SIZE		0x80000000
+ 
++#define DRAM1_BASE		0x8080000000ULL
++#define DRAM1_SIZE		0x80000000ULL
++
+ #define GICD_BASE		0x30000000
+ #define GICC_BASE		0x2C000000
+ #define GICR_BASE		0x300C0000
+-- 
+2.17.1
+
diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-generic-n1sdp.inc b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-generic-n1sdp.inc
new file mode 100644
index 0000000..c090834
--- /dev/null
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-generic-n1sdp.inc
@@ -0,0 +1,2 @@
+COMPATIBLE_MACHINE:n1sdp = "n1sdp"
+OPTEEMACHINE:n1sdp = "n1sdp"
diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
index 219f08b..2719e4c 100644
--- a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-n1sdp.inc
@@ -1,7 +1,6 @@
 # N1 SDP specific configuration for optee-os
 
-COMPATIBLE_MACHINE:n1sdp = "n1sdp"
-OPTEEMACHINE:n1sdp = "n1sdp"
+require optee-os-generic-n1sdp.inc
 
 TS_INSTALL_PREFIX_PATH = "${RECIPE_SYSROOT}/firmware/sp/opteesp"
 
@@ -11,6 +10,7 @@
     file://0002-plat-n1sdp-add-N1SDP-platform-support.patch \
     file://0003-HACK-disable-instruction-cache-and-data-cache.patch \
     file://0004-Handle-logging-syscall.patch \
+    file://0005-plat-n1sdp-register-DRAM1-to-optee-os.patch \
     "
 
 EXTRA_OEMAKE += " CFG_TEE_CORE_LOG_LEVEL=4"
diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
index 6a22d47..9a21083 100644
--- a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
@@ -2,5 +2,6 @@
 
 MACHINE_OPTEE_OS_TADEVKIT_REQUIRE ?= ""
 MACHINE_OPTEE_OS_TADEVKIT_REQUIRE:tc = "optee-os-generic-tc.inc"
+MACHINE_OPTEE_OS_TADEVKIT_REQUIRE:n1sdp = "optee-os-n1sdp.inc"
 
 require ${MACHINE_OPTEE_OS_TADEVKIT_REQUIRE}
diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-test_3.18.0.bbappend b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-test_3.18.0.bbappend
index 490b350..9318a07 100644
--- a/meta-arm/meta-arm-bsp/recipes-security/optee/optee-test_3.18.0.bbappend
+++ b/meta-arm/meta-arm-bsp/recipes-security/optee/optee-test_3.18.0.bbappend
@@ -2,5 +2,6 @@
 
 MACHINE_OPTEE_TEST_REQUIRE ?= ""
 MACHINE_OPTEE_TEST_REQUIRE:tc = "optee-test-tc.inc"
+MACHINE_OPTEE_TEST_REQUIRE:n1sdp = "optee-os-generic-n1sdp.inc"
 
 require ${MACHINE_OPTEE_TEST_REQUIRE}